1146047487 has 16 divisors (see below), whose sum is σ = 1646235360. Its totient is φ = 704990592.

The previous prime is 1146047477. The next prime is 1146047489. The reversal of 1146047487 is 7847406411.

It is not a de Polignac number, because 1146047487 - 2⁷ = 1146047359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146047489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158589 + ... + 165657.

It is an arithmetic number, because the mean of its divisors is an integer number (102889710).

Almost surely, 2^1146047487 is an apocalyptic number.

1146047487 is a deficient number, since it is larger than the sum of its proper divisors (500187873).

1146047487 is a wasteful number, since it uses less digits than its factorization.

1146047487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11242.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1146047487 is about 33853.3231308242. The cubic root of 1146047487 is about 1046.4878836565.

The spelling of 1146047487 in words is "one billion, one hundred forty-six million, forty-seven thousand, four hundred eighty-seven".